232521040250240 has 64 divisors (see below), whose sum is σ = 635280699267360. Its totient is φ = 79721499512832.

The previous prime is 232521040250209. The next prime is 232521040250243. The reversal of 232521040250240 is 42052040125232.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 232521040250197 and 232521040250206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232521040250243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25951004477 + ... + 25951013436.

Almost surely, 2^{232521040250240} is an apocalyptic number.

232521040250240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232521040250240 is an abundant number, since it is smaller than the sum of its proper divisors (402759659017120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232521040250240 is an equidigital number, since it uses as much as digits as its factorization.

232521040250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51902017939 (or 51902017927 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 232521040250240 its reverse (42052040125232), we get a palindrome (274573080375472).

The spelling of 232521040250240 in words is "two hundred thirty-two trillion, five hundred twenty-one billion, forty million, two hundred fifty thousand, two hundred forty".